On 07/19/11 22:28, LWChris@LyricWiki wrote:
.. I've got no idea why that script is a "big security risk"..

He said right in the first post of that discussion:
"you broadcast your private data (e.g. password) in a cross-domain fashion to all iframes and frames on that page"

If you use this script, any frame on the page can see the value that you are retrieving. Likely a privacy risk long before a security risk. A problem, but a much smaller potential problem than unsafeWindow.

It's only used on one domain and nearly all its pages. That domain is
100% trusted (lyrics.wikia.com, I'm one of the admins there)...

And you 100% trust that there's no vulnerabilities (XSS?) in any of the programs running anywhere on that domain?

Long story short, security is a Hard Problem.

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